Technical Characteristics - Rev Ritter Max! Fensterkontakt Mode D'emploi

under the article in question.
Supply voltage:
Batteries:
Battery life:
Receiver frequency:
Receiver class:
Typical open air range:
Housing dimensions (WxHxD)
Electronic unit:
Magnet:

11. Technical characteristics

3V
2x LR03 (micro/AAA)
5 years approx.
868.3MHz
SRD Class 2
100m
18.5x103.5x24.5mm
12x48x12mm
21